a mountain in NE Greece, in E Thessaly: famous in mythology for the attempt of the twin giants, Otus and Ephialtes, to reach heaven by piling Ossa on Olympus and Pelion on Ossa. Height: 1978 m (6489 ft)
Ossa in American English
(ˈɑsə)
mountain in Thessaly, NE Greece: 6,490 ft (1,978 m)